Optimal Localization of UPFC For Transmission Line Losses Minimizing Using Particle Swarm Optimization

Amin, Ihssan A.; Mahmood, Dhari Y.; Numan, Ali H.

doi:10.30684/etj.v39i10.1656

	Optimal Localization of UPFC For Transmission Line Losses Minimizing Using Particle Swarm Optimization
Engineering and Technology Journal
Article 1, Volume 39, Issue 10, 2021, Pages 1463-1472 PDF (746.9 K)
Document Type: Research Paper
DOI: 10.30684/etj.v39i10.1656
Authors
Ihssan A. Amin^* ¹; Dhari Y. Mahmood¹; Ali H. Numan²
¹Electrical Engineering Dept., University of Technology-Iraq, Alsina’a street,10066 Baghdad, Iraq.
²Electromechanical Engineering Dept., University of Technology-Iraq, Alsina’a street,10066 Baghdad, Iraq.
Abstract
Losses in the transmission line have a significant and growing impact on power systems around the world. Line losses overheat power lines, therefore electrical power systems require powerful processors and intelligent management methods. Flexible AC Transmission System (FACTS) device UPFC is one of the most important devices due to its ability to reduce total line losses that cause an increase in the transmission line capacity of the power system. In this paper, we used Particle Swarm Optimization (PSO) to determine the optimal location for the installation of UPFC device to minimize losses in the transmission line in the Iraqi international grid (ING) 400kV using a proportional-integral (PI) based UPFC controller. The potential solutions of PSO are called particles. All the particles selected in this controller depend on their parameter only, which keeps feasible solutions in their memory. The algorithm is coded in MATLAB and it is incorporated with the conventional Newton Raphson’s load flow analysis. The result shows that the proposed optimization method applied for two UPFC compensator parameters in the power system contributed to minimizing the active and reactive power losses under normal operating conditions using a modified version of the PSO algorithm.
Highlights
Determine the best location of the unified power flow controller (UPFC) for utilizing in 400KV Iraqi national grid (ING). Novel comparative analysis between classical proportional integral (PI) controller and an optimal controller such as particle swarm optimization (PSO). Propose an effective method for transmission line active and reactive losses minimization. Investigate the load flow analysis of the power system using Newton Raphson’s method.
Keywords
FACT device; UPFC; PSO; PI Controller; MATLAB programs/M-file

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